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25. Procedures for Maintenance
3-27
• Loosening the tension
1) Remove the cover.
2) Raise the machine with the implement and the safety
blocks. Slowly loosen the nipple valve (1) and discharge
the grease to adjust the rubber crawler tension and to
achieve a clearance (H) that is within the following
range : 0.31 to 0.51 in. (8 to 13 mm).
3) Never loosen the nipple valve more than one turn.
(If the grease is not discharging properly, lower the ma-
chine and move the machine back and forth slightly.)
4) Tighten the nipple valve (1).
Tightening torque : 36.1 ft•lbf (49 N•m)
5) To check that the tension is proper, lower the machine
and move the machine back and forth slightly.
6) Recheck the rubber crawler tension and readjust it if
necessary.
7) Completely wipe away all of the discharged grease.
IMPORTANT
The rubber crawler is not grease-resistant.
Completely wipe away all of the grease because
grease will shorten its service life.
8) Install the cover.
• Grease is under high pressure. If the nipple valve
(1) is opened suddenly, grease could be ejected
or the valve could blow, which could cause bodi-
ly injury.
• Do not rely on valve appearance alone to deter-
mine whether or not grease has been dis-
charged, but check that by measuring the
tension of the rubber crawler.
Do not open the nipple valve (1) more than one turn.
• It is very dangerous to discharge the grease by
any procedure other than that described below.
If the tension of the rubber crawler cannot be
loosened, contact your dealer and ask for repair.
Cover
020172-00X
Track roller
(1)
Summary of Contents for Z17 GEN:2
Page 28: ...MEMO 1 16 Courtesy of Machine Market...
Page 40: ...MEMO 1 28 Courtesy of Machine Market...
Page 41: ...2 1 OPERATION Courtesy of Machine Market...
Page 128: ...MEMO 2 88 Courtesy of Machine Market...
Page 129: ...3 1 MAINTENANCE Courtesy of Machine Market...
Page 188: ...MEMO 3 60 Courtesy of Machine Market...
Page 189: ...4 1 SPECIFICATIONS AND DIMENSIONAL DIAGRAMS Courtesy of Machine Market...
Page 192: ...MEMO 4 4 Courtesy of Machine Market...
Page 193: ...5 1 OPTIONAL PARTS AND ATTACHMENTS Courtesy of Machine Market...
Page 196: ...MEMO 5 4 Courtesy of Machine Market...
Page 197: ...6 1 NOTES Courtesy of Machine Market...
Page 199: ...28 Maintenance Log 6 3 Date Machine hours Service performed Courtesy of Machine Market...
Page 200: ...28 Maintenance Log 6 4 Date Machine hours Service performed Courtesy of Machine Market...
Page 201: ...28 Maintenance Log 6 5 Date Machine hours Service performed Courtesy of Machine Market...
Page 202: ...6 6 29 Notes Notes Courtesy of Machine Market...
Page 203: ...29 Notes 6 7 Courtesy of Machine Market...
Page 204: ...29 Notes 6 8 Courtesy of Machine Market...
Page 205: ...29 Notes 6 9 Courtesy of Machine Market...
Page 206: ...MEMO 6 10 Courtesy of Machine Market...
Page 207: ...Courtesy of Machine Market...